3.9" Rough Purple Amethyst Crystal Cluster Mineral Specimen Brazil Self Standing Captorhinus geological history shows periods when

geological history shows periods when Aragonite was the dominant form

leading to the precipitation of this vibrant mineral

Low oxygen levels and unusual water chemistry reduced decay and limited scavenger activity

trilobites spread throughout the world’s oceans and became one of the most prominent and long-lasting animal groups of the Paleozoic Era

3.9" Rough Purple Amethyst Crystal Cluster Mineral Specimen Brazil Self Standing Captorhinus geological history shows periods whenLocation: Brazil Weight: 1 Pound 1. 5 Ounces Dimensions: 3. 9 Inches Long, 3. 4 Inches Wide, 3. 1 Inches Thick The item pictured is the one you will receive. Amethyst Amethyst is a naturally occurring purple variety of quartz celebrated for its striking color, crystal formations, and long standing popularity as a gemstone. Composed of silicon dioxide (SiO), amethyst forms under specific geological conditions that allow iron impurities and natural